SY10H352JZ TR

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Logic - Translators, Level Shifters

The SY10H352JZ TR is a logic device designed to provide level shifting between 3.3V, 2.5V and 1.8V logic. It is specially designed for the modern day high speed, low power logic systems by providing a low static power and high performance. The SY10H352JZ is a single channel translator, with two states of outputs, at the same voltage (e.g. 3.3V to 3.3V), which can be accomplished without external bias components. It can be used to translate between the I/O banks of the same power supply level (for example, 1.8V and 3.3V). It is also suitable for Power Gating applications, as it can operate in both static and dynamic modes.

Application Field

The SY10H352JZ is ideally suited for reducing the voltage range within a logic system for low power applications. It is ideal for embedded systems, providing low power logic signals for I/O expansion or interface communication. It is also suitable for applications requiring logic level translation between different logic voltage levels when used in high speed subsystems.

It can be used in different applications, including I/O expansion, data bus arbitrations, memory card interface and power gating. For example, in automotive applications, it can be used to expand I/O banks in safety systems, while in industrial systems it can be used to provide an interface between machines/parts and systems with different logic level voltages.

Working Principle

The SY10H352JZ functions as a passive translator, using a capacitive isolation technique to achieve isolation between the output and input signal. The signal is translated with low distortion, without increasing the amplitude, which helps maintain signal integrity. This feature offers significant noise immunity in high speed logic applications.

Each driver has two inputs, an ‘on’, and an ‘off’. The ‘on’ condition activates the operation, while the ‘off’ condition deactivates the operation. The signal is translated from the input voltage to the selected output voltage. The internal power is low, less than 2.8µA, making it a low power consumption solution.

The translator requires two supply voltages and can operate in two different modes. The static mode requires both biases to be ON and the voltage translations are this ON or OFF. The dynamic mode requires only one bias to be active and the output can achieve intermediate logic level translations.

The SY10H352JZ translator also has four protection features. The input has a clamping protection which limits the input voltage. The output has a clamping protection which limits the output voltage and prevents it from going low and shorting to ground. There is also an electrostatic discharge (ESD) protection which ensures the output voltage behaves properly even in the event of an ESD. Lastly, the Thermal protection prevents the device from overheating and damaging the board.

Conclusion

The SY10H352JZ is a single channel logic device designed to provide level shifting between 3.3V, 2.5V and 1.8V logic. This device is ideal for low power applications and is suitable for embedded systems, power gating and communication interface applications. It has a low static power and is capable of translating between the I/O banks of the same power supply level. The device has various protection features such as electrostatic discharge, thermal protection and input/output clamping protection.

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